27991110

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{3251}}^1$

素因数の和:3309

約数の個数: 64

約数和(自身を含む): 78672384

約数和(自身を除く): 50681274

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 41, 42, 70, 82, 105, 123, 205, 210, 246, 287, 410, 574, 615, 861, 1230, 1435, 1722, 2870, 3251, 4305, 6502, 8610, 9753, 16255, 19506, 22757, 32510, 45514, 48765, 68271, 97530, 113785, 133291, 136542, 227570, 266582, 341355, 399873, 666455, 682710, 799746, 933037, 1332910, 1866074, 1999365, 2799111, 3998730, 4665185, 5598222, 9330370, 13995555, 27991110]

約数ペア:

[(1, 27991110), (2, 13995555), (3, 9330370), (5, 5598222), (6, 4665185), (7, 3998730), (10, 2799111), (14, 1999365), (15, 1866074), (21, 1332910), (30, 933037), (35, 799746), (41, 682710), (42, 666455), (70, 399873), (82, 341355), (105, 266582), (123, 227570), (205, 136542), (210, 133291), (246, 113785), (287, 97530), (410, 68271), (574, 48765), (615, 45514), (861, 32510), (1230, 22757), (1435, 19506), (1722, 16255), (2870, 9753), (3251, 8610), (4305, 6502)]